Rotaspora |
Rotaspora ambigua
|
Arkansas |
Late Chesterian |
|
Rotaspora |
Rotaspora ambigua
|
Oklahoma |
Late Chesterian |
|
Rotaspora |
Rotaspora ambigua
|
Europe |
Namurian A |
|
Rotaspora |
Rotaspora fracta
|
Oklahoma |
Late Chesterian |
|
Rotaspora |
Rotaspora fracta
|
Oklahoma |
Springerian |
|
Rotaspora |
Rotaspora fracta
|
Oklahoma |
Late Chesterian |
Springerian |
Rotaspora |
Rotaspora fracta
|
Arkansas |
Late Chesterian |
Springerian |
Rotaspora |
Rotaspora fracta
|
Europe |
Namurian A |
|
Rotaspora |
Rotaspora knoxii
|
Arkansas |
Late Chesterian |
|
Rotaspora |
Rotaspora knoxii
|
Oklahoma |
Late Chesterian |
|
Rotaspora |
Rotaspora knoxii
|
Europe |
Namurian A |
|
Savitrisporites |
Savitrisporites nux
|
Oklahoma |
Late Chesterian |
|
Schopfipollenites |
Schopfipollenites ellipsoides
|
Oklahoma |
Late Mississippian |
|
Schopfipollenites |
Schopfipollenites ellipsoides
|
Oklahoma |
Early Pennsylvanian |
|
Schopfipollenites |
Schopfipollenites ellipsoides
|
Oklahoma |
Late Chesterian |
Morrowan |
Schopfipollenites |
Schopfipollenites ellipsoides
|
Arkansas |
Late Chesterian |
Morrowan |
Schopfipollenites |
Schopfipollenites ellipsoides
|
Europe |
Namurian A |
Namurian C |